Type F screws have a thread cutting tip. A slotted hex washer head can be installed with either a wrench or a flat bladed screw driver, and has a built-in washer.
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
There are no reviews yet.
Your email address will not be published. Required fields are marked *
Your review *
Flat heads are countersunk (cone shaped under the head) with a flat top. Frearson drive is x-shaped, similar to (but not compatible with) phillips.
Solid bronze. An alloy of copper with greater strength and corrosion resistance than brass. Exact color varies.